This 32-note monophonic preset synthesizer had 6 push-button presets ("voice", "synthe 1", "synthe 2", "brass", "string", and "wood" as in woodwind) and a five octave switch. If you pressed two buttons at the same time, those two presets would mix. There were controls for attack and "sustain" (decay/release), VCF, modulation depth, modulation speed, and portamento speed (as well as a lever to switch the portamento on or "momentary"). The SP version of the synth had a small built in speaker.
[from The A-Z of Analogue Synthesizers, by Peter Forrest, published by Susurreal Publishing, Devon, England, copyright 1994 Peter Forrest]
David Ferguson of Random Hold,
Jbone Cro of Jaloppy,
OMD - lead sounds on "Electricity", "Enola Gay", "Souvenir", and sampled sax sound for "Stand Above Me",
Rod Schneller of Stragula.com
[Let us know if you have any further additions to this list.]